Lamp



FIG. 1 is a perspective view of a lamp showing the claimed design;

FIG. 2 is another perspective view thereof;

FIG. 3 is a front elevational view thereof; a rear elevational view being a mirror image of FIG. 3;

FIG. 4 is a left side elevational view thereof; a right side elevational view being a mirror image of FIG. 4;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

The broken lines are directed to environmental features and are for illustrative purpose only; the broken lines form no part of the claimed design. 

CLAIM The ornamental design for a lamp, as shown and described. 